A steel blade flaots on the surface of pure water, when detergent is added it sinks : why ?

A boat carring steel balls is floating on the surface of water in tank. If the balls are thrown into the tank one by one, how will it affect the level of water?

Why does a greased razor blade float on the surface of water ?

Slaked lime is obtained when water is added to

When kerosene is poured on the surface of water , the larvae and mosquitoes do not remain alive because

When NaCI added to a water.

When a droplet of water is pound on a plane surface of a wax then it will

A metal wire of density rho floats on water surface horozontally. If is NOT to sink in water, then maximum radius of wire is proportional to (where, T=surface tension of water, g=gravitational acceleration)

A piece of wood floats both in water and kerosine. In which liquid does it sink more during floating ? Why ?

Why can a water spider walk comfortably on the surface of still water ?

When a stone is dropped on the surface of the still water, the waves produced are ________